A 12.0 kg bucket of water of is suspended by a rope wrapped around a windlass, which is a solid cylinder 0.300 m in diameter with mass 17.0 kg. The cylinder is pivoted on a frictionless axle through its center. The bucket is released from rest at the top of a well and falls 13.0 m to the water. Neglect the weight of the rope.
(a) What is the time of fall?
(b) While the bucket is falling, what is the force exerted on the cylinder by the axle?